live: AMRDeinterleaver Class Reference

typedef void( FramedSource::afterGettingFunc)(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds) [inherited]

Definition at line 36 of file FramedSource.hh.

typedef void( FramedSource::onCloseFunc)(void *clientData) [inherited]

Definition at line 40 of file FramedSource.hh.

AMRDeinterleaver::AMRDeinterleaver	(	UsageEnvironment &	env,
		Boolean	isWideband,
		unsigned	numChannels,
		unsigned	maxInterleaveGroupSize,
		RawAMRRTPSource *	inputSource
	)			`[private]`

Definition at line 442 of file AMRAudioRTPSource.cpp.

References fDeinterleavingBuffer.

00446   : AMRAudioSource(env, isWideband, numChannels),
00447     fInputSource(inputSource), fNeedAFrame(False) {
00448   fDeinterleavingBuffer
00449     = new AMRDeinterleavingBuffer(numChannels, maxInterleaveGroupSize);
00450 }

AMRDeinterleaver::~AMRDeinterleaver ( ) [private, virtual]

Definition at line 452 of file AMRAudioRTPSource.cpp.

References Medium::close(), fDeinterleavingBuffer, and fInputSource.

00452                                     {
00453   delete fDeinterleavingBuffer;
00454   Medium::close(fInputSource);
00455 }

AMRDeinterleaver * AMRDeinterleaver::createNew	(	UsageEnvironment &	env,
		Boolean	isWideband,
		unsigned	numChannels,
		unsigned	maxInterleaveGroupSize,
		RawAMRRTPSource *	inputSource
	)			`[static]`

Definition at line 436 of file AMRAudioRTPSource.cpp.

References env.

Referenced by AMRAudioRTPSource::createNew().

00438                                           {
00439   return new AMRDeinterleaver(env, isWideband, numChannels, maxInterleaveGroupSize, inputSource);
00440 }

void AMRDeinterleaver::afterGettingFrame	(	void *	clientData,
		unsigned	frameSize,
		unsigned	numTruncatedBytes,
		struct timeval	presentationTime,
		unsigned	durationInMicroseconds
	)			`[static, private]`

Definition at line 493 of file AMRAudioRTPSource.cpp.

References afterGettingFrame1().

Referenced by doGetNextFrame().

00496                                                          {
00497   AMRDeinterleaver* deinterleaver = (AMRDeinterleaver*)clientData;
00498   deinterleaver->afterGettingFrame1(frameSize, presentationTime);
00499 }

void AMRDeinterleaver::afterGettingFrame1	(	unsigned	frameSize,
		struct timeval	presentationTime
	)			`[private]`

Definition at line 502 of file AMRAudioRTPSource.cpp.

References AMRDeinterleavingBuffer::deliverIncomingFrame(), doGetNextFrame(), fDeinterleavingBuffer, fInputSource, and fNeedAFrame.

Referenced by afterGettingFrame().

00502                                                                         {
00503   RawAMRRTPSource* source = (RawAMRRTPSource*)fInputSource;
00504 
00505   // First, put the frame into our deinterleaving buffer:
00506   fDeinterleavingBuffer->deliverIncomingFrame(frameSize, source, presentationTime);
00507 
00508   // Then, try delivering a frame to the client (if he wants one):
00509   if (fNeedAFrame) doGetNextFrame();
00510 }

void AMRDeinterleaver::doGetNextFrame ( ) [private, virtual]

Implements FramedSource.

Definition at line 459 of file AMRAudioRTPSource.cpp.

References FramedSource::afterGetting(), afterGettingFrame(), False, fDeinterleavingBuffer, FramedSource::fDurationInMicroseconds, FramedSource::fFrameSize, fInputSource, AMRAudioSource::fLastFrameHeader, FramedSource::fMaxSize, fNeedAFrame, FramedSource::fNumTruncatedBytes, FramedSource::fPresentationTime, FramedSource::fTo, FramedSource::getNextFrame(), FramedSource::handleClosure(), AMRDeinterleavingBuffer::inputBuffer(), AMRDeinterleavingBuffer::inputBufferSize(), FramedSource::isCurrentlyAwaitingData(), RawAMRRTPSource::isSynchronized(), AMRDeinterleavingBuffer::retrieveFrame(), True, and uSecsPerFrame.

Referenced by afterGettingFrame1().

00459                                       {
00460   // First, try getting a frame from the deinterleaving buffer:
00461   if (fDeinterleavingBuffer->retrieveFrame(fTo, fMaxSize,
00462                                            fFrameSize, fNumTruncatedBytes,
00463                                            fLastFrameHeader, fPresentationTime,
00464                                            fInputSource->isSynchronized())) {
00465 
00466     // Success!
00467     fNeedAFrame = False;
00468 
00469     fDurationInMicroseconds = uSecsPerFrame;
00470 
00471     // Call our own 'after getting' function.  Because we're not a 'leaf'
00472     // source, we can call this directly, without risking
00473     // infinite recursion
00474     afterGetting(this);
00475     return;
00476   }
00477 
00478   // No luck, so ask our source for help:
00479   fNeedAFrame = True;
00480   if (!fInputSource->isCurrentlyAwaitingData()) {
00481     fInputSource->getNextFrame(fDeinterleavingBuffer->inputBuffer(),
00482                                fDeinterleavingBuffer->inputBufferSize(),
00483                                afterGettingFrame, this,
00484                                FramedSource::handleClosure, this);
00485   }
00486 }

void AMRDeinterleaver::doStopGettingFrames ( ) [private, virtual]

Reimplemented from FramedSource.

Definition at line 488 of file AMRAudioRTPSource.cpp.

References fInputSource, and FramedSource::stopGettingFrames().

00488                                            {
00489   fInputSource->stopGettingFrames();
00490 }

Boolean AMRAudioSource::isWideband ( ) const [inline, inherited]

Definition at line 30 of file AMRAudioSource.hh.

References AMRAudioSource::fIsWideband.

Referenced by AMRAudioFileSource::createNew(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), and AMRAudioRTPSink::sourceIsCompatibleWithUs().

00030 { return fIsWideband; }

unsigned AMRAudioSource::numChannels ( ) const [inline, inherited]

Definition at line 31 of file AMRAudioSource.hh.

References AMRAudioSource::fNumChannels.

Referenced by AMRAudioFileSource::createNew(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), and AMRAudioRTPSink::sourceIsCompatibleWithUs().

00031 { return fNumChannels; }

u_int8_t AMRAudioSource::lastFrameHeader ( ) const [inline, inherited]

Definition at line 33 of file AMRAudioSource.hh.

References AMRAudioSource::fLastFrameHeader.

Referenced by AMRAudioRTPSink::doSpecialFrameHandling().

00033 { return fLastFrameHeader; }

Boolean FramedSource::lookupByName	(	UsageEnvironment &	env,
		char const *	sourceName,
		FramedSource *&	resultSource
	)			`[static, inherited]`

Definition at line 41 of file FramedSource.cpp.

References env, False, MediaSource::isFramedSource(), MediaSource::lookupByName(), NULL, and True.

Referenced by MP3ADUinterleaverBase::getInputSource().

00042                                                                 {
00043   resultSource = NULL; // unless we succeed
00044 
00045   MediaSource* source;
00046   if (!MediaSource::lookupByName(env, sourceName, source)) return False;
00047 
00048   if (!source->isFramedSource()) {
00049     env.setResultMsg(sourceName, " is not a framed source");
00050     return False;
00051   }
00052 
00053   resultSource = (FramedSource*)source;
00054   return True;
00055 }

Boolean MediaSource::lookupByName	(	UsageEnvironment &	env,
		char const *	sourceName,
		MediaSource *&	resultSource
	)			`[static, inherited]`

Definition at line 62 of file MediaSource.cpp.

References env, False, Medium::isSource(), Medium::lookupByName(), NULL, and True.

Referenced by RTPSource::lookupByName(), and FramedSource::lookupByName().

00064                                                               {
00065   resultSource = NULL; // unless we succeed
00066 
00067   Medium* medium;
00068   if (!Medium::lookupByName(env, sourceName, medium)) return False;
00069 
00070   if (!medium->isSource()) {
00071     env.setResultMsg(sourceName, " is not a media source");
00072     return False;
00073   }
00074 
00075   resultSource = (MediaSource*)medium;
00076   return True;
00077 }

Boolean Medium::lookupByName	(	UsageEnvironment &	env,
		char const *	mediumName,
		Medium *&	resultMedium
	)			`[static, inherited]`

Definition at line 65 of file Media.cpp.

References env, False, MediaLookupTable::lookup(), NULL, MediaLookupTable::ourMedia(), UsageEnvironment::setResultMsg(), and True.

Referenced by ServerMediaSession::lookupByName(), RTSPServer::lookupByName(), RTSPClient::lookupByName(), RTCPInstance::lookupByName(), MediaSource::lookupByName(), MediaSink::lookupByName(), MediaSession::lookupByName(), and DarwinInjector::lookupByName().

00066                                                          {
00067   resultMedium = MediaLookupTable::ourMedia(env)->lookup(mediumName);
00068   if (resultMedium == NULL) {
00069     env.setResultMsg("Medium ", mediumName, " does not exist");
00070     return False;
00071   }
00072 
00073   return True;
00074 }

void FramedSource::getNextFrame	(	unsigned char *	to,
		unsigned	maxSize,
		afterGettingFunc *	afterGettingFunc,
		void *	afterGettingClientData,
		onCloseFunc *	onCloseFunc,
		void *	onCloseClientData
	)			`[inherited]`

Definition at line 57 of file FramedSource.cpp.

References FramedSource::doGetNextFrame(), Medium::envir(), FramedSource::fAfterGettingClientData, FramedSource::fAfterGettingFunc, FramedSource::fDurationInMicroseconds, FramedSource::fIsCurrentlyAwaitingData, FramedSource::fMaxSize, FramedSource::fNumTruncatedBytes, FramedSource::fOnCloseClientData, FramedSource::fOnCloseFunc, FramedSource::fTo, and True.

00061                                                          {
00062   // Make sure we're not already being read:
00063   if (fIsCurrentlyAwaitingData) {
00064     envir() << "FramedSource[" << this << "]::getNextFrame(): attempting to read more than once at the same time!\n";
00065     exit(1);
00066   }
00067 
00068   fTo = to;
00069   fMaxSize = maxSize;
00070   fNumTruncatedBytes = 0; // by default; could be changed by doGetNextFrame()
00071   fDurationInMicroseconds = 0; // by default; could be changed by doGetNextFrame()
00072   fAfterGettingFunc = afterGettingFunc;
00073   fAfterGettingClientData = afterGettingClientData;
00074   fOnCloseFunc = onCloseFunc;
00075   fOnCloseClientData = onCloseClientData;
00076   fIsCurrentlyAwaitingData = True;
00077 
00078   doGetNextFrame();
00079 }

void FramedSource::handleClosure ( void * clientData ) [static, inherited]

Definition at line 95 of file FramedSource.cpp.

References False, FramedSource::fIsCurrentlyAwaitingData, FramedSource::fOnCloseClientData, FramedSource::fOnCloseFunc, and NULL.

00095                                                  {
00096   FramedSource* source = (FramedSource*)clientData;
00097   source->fIsCurrentlyAwaitingData = False; // because we got a close instead
00098   if (source->fOnCloseFunc != NULL) {
00099     (*(source->fOnCloseFunc))(source->fOnCloseClientData);
00100   }
00101 }

void FramedSource::stopGettingFrames ( ) [inherited]

Definition at line 103 of file FramedSource.cpp.

References FramedSource::doStopGettingFrames(), False, and FramedSource::fIsCurrentlyAwaitingData.

Referenced by MPEG2TransportStreamFromPESSource::doStopGettingFrames(), FramedFilter::doStopGettingFrames(), doStopGettingFrames(), and MediaSink::stopPlaying().

00103                                      {
00104   fIsCurrentlyAwaitingData = False; // indicates that we can be read again
00105 
00106   // Perform any specialized action now:
00107   doStopGettingFrames();
00108 }

unsigned FramedSource::maxFrameSize ( ) const [virtual, inherited]

Reimplemented in MPEG1or2DemuxedElementaryStream.

Definition at line 116 of file FramedSource.cpp.

Referenced by StreamParser::ensureValidBytes1().

00116                                           {
00117   // By default, this source has no maximum frame size.
00118   return 0;
00119 }

Boolean FramedSource::isCurrentlyAwaitingData ( ) const [inline, inherited]

Definition at line 60 of file FramedSource.hh.

References FramedSource::fIsCurrentlyAwaitingData.

Referenced by afterPlaying(), InputESSourceRecord::askForNewData(), MPEG2TransportStreamFromESSource::awaitNewBuffer(), QuickTimeFileSink::continuePlaying(), AVIFileSink::continuePlaying(), DeviceSource::deliverFrame(), QCELPDeinterleaver::doGetNextFrame(), doGetNextFrame(), ByteStreamFileSource::fileReadableHandler(), and BasicUDPSource::incomingPacketHandler1().

00060 {return fIsCurrentlyAwaitingData;}

void FramedSource::afterGetting ( FramedSource * source ) [static, protected, inherited]

Definition at line 81 of file FramedSource.cpp.

References FramedSource::fAfterGettingClientData, FramedSource::fAfterGettingFunc, False, FramedSource::fDurationInMicroseconds, FramedSource::fFrameSize, FramedSource::fIsCurrentlyAwaitingData, FramedSource::fNumTruncatedBytes, FramedSource::fPresentationTime, and NULL.

00081                                                     {
00082   source->fIsCurrentlyAwaitingData = False;
00083       // indicates that we can be read again
00084       // Note that this needs to be done here, in case the "fAfterFunc"
00085       // called below tries to read another frame (which it usually will)
00086 
00087   if (source->fAfterGettingFunc != NULL) {
00088     (*(source->fAfterGettingFunc))(source->fAfterGettingClientData,
00089                                    source->fFrameSize, source->fNumTruncatedBytes,
00090                                    source->fPresentationTime,
00091                                    source->fDurationInMicroseconds);
00092   }
00093 }

void MediaSource::getAttributes ( ) const [virtual, inherited]

Reimplemented in FramedFilter, MP3ADUTranscoder, MP3FileSource, and RTPSource.

Definition at line 79 of file MediaSource.cpp.

References Medium::envir(), and UsageEnvironment::setResultMsg().

Referenced by MP3ADUTranscoder::getAttributes(), and FramedFilter::getAttributes().

00079                                       {
00080   // Default implementation
00081   envir().setResultMsg("");
00082 }

char const * MediaSource::MIMEtype ( ) const [virtual, inherited]

Reimplemented in RawAMRRTPSource, AC3AudioRTPSource, FramedFilter, H261VideoRTPSource, H263plusVideoRTPSource, H264VideoRTPSource, JPEGVideoRTPSource, ADUFromMP3Source, MP3FromADUSource, MP3ADURTPSource, MP3FileSource, MPEG1or2AudioRTPSource, MPEG1or2DemuxedElementaryStream, MPEG1or2VideoRTPSource, MPEG4ESVideoRTPSource, MPEG4GenericRTPSource, MPEG4LATMAudioRTPSource, QuickTimeGenericRTPSource, SimpleRTPSource, and RawQCELPRTPSource.

Definition at line 36 of file MediaSource.cpp.

Referenced by HTTPSink::continuePlaying(), MP3ADUTranscoder::createNew(), MP3FromADUSource::createNew(), ADUFromMP3Source::createNew(), MP3ADUinterleaverBase::getInputSource(), MediaSession::initiateByMediaType(), SimpleRTPSource::MIMEtype(), QuickTimeGenericRTPSource::MIMEtype(), FramedFilter::MIMEtype(), and MPEG1or2DemuxedElementaryStream::MPEG1or2DemuxedElementaryStream().

00036                                         {
00037   return "application/OCTET-STREAM"; // default type
00038 }

Boolean MediaSource::isRTPSource ( ) const [virtual, inherited]

Reimplemented in RTPSource.

Definition at line 43 of file MediaSource.cpp.

References False.

Referenced by RTPSource::lookupByName().

00043                                        {
00044   return False; // default implementation
00045 }

Boolean MediaSource::isMPEG1or2VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in MPEG1or2VideoStreamFramer.

Definition at line 46 of file MediaSource.cpp.

References False.

Referenced by MPEG1or2VideoRTPSink::sourceIsCompatibleWithUs().

00046                                                        {
00047   return False; // default implementation
00048 }

Boolean MediaSource::isMPEG4VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in MPEG4VideoStreamFramer.

Definition at line 49 of file MediaSource.cpp.

References False.

Referenced by MPEG4ESVideoRTPSink::sourceIsCompatibleWithUs().

00049                                                     {
00050   return False; // default implementation
00051 }

Boolean MediaSource::isH264VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in H264VideoStreamFramer.

Definition at line 52 of file MediaSource.cpp.

References False.

Referenced by H264VideoRTPSink::sourceIsCompatibleWithUs().

00052                                                    {
00053   return False; // default implementation
00054 }

Boolean MediaSource::isJPEGVideoSource ( ) const [virtual, inherited]

Reimplemented in JPEGVideoSource.

Definition at line 55 of file MediaSource.cpp.

References False.

Referenced by JPEGVideoRTPSink::sourceIsCompatibleWithUs().

00055                                              {
00056   return False; // default implementation
00057 }

void Medium::close	(	UsageEnvironment &	env,
		char const *	mediumName
	)			`[static, inherited]`

Definition at line 76 of file Media.cpp.

References env, MediaLookupTable::ourMedia(), and MediaLookupTable::remove().

Referenced by afterPlaying(), Medium::close(), closeMediaSinks(), OnDemandServerMediaSubsession::closeStreamSource(), WAVAudioFileSource::createNew(), QuickTimeFileSink::createNew(), QCELPAudioRTPSource::createNew(), MP3HTTPSource::createNew(), MP3FileSource::createNew(), AVIFileSink::createNew(), AMRAudioRTPSource::createNew(), WAVAudioFileServerMediaSubsession::createNewStreamSource(), MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource(), MediaSubsession::deInitiate(), MediaSubsession::initiate(), MPEG1or2ProgramStreamFileDuration(), MPEG1or2Demux::noteElementaryStreamDeletion(), ByteStreamMultiFileSource::onSourceClosure1(), StreamState::reclaim(), RTSPServer::removeServerMediaSession(), OnDemandServerMediaSubsession::sdpLines(), shutdown(), H264VideoRTPSink::stopPlaying(), subsessionAfterPlaying(), ClientTrickPlayState::updateStateOnScaleChange(), ~AMRDeinterleaver(), ByteStreamMultiFileSource::~ByteStreamMultiFileSource(), DarwinInjector::~DarwinInjector(), FramedFilter::~FramedFilter(), H264VideoRTPSink::~H264VideoRTPSink(), InputESSourceRecord::~InputESSourceRecord(), MPEG1or2Demux::~MPEG1or2Demux(), MPEG1or2FileServerDemux::~MPEG1or2FileServerDemux(), MPEG2TransportFileServerMediaSubsession::~MPEG2TransportFileServerMediaSubsession(), MPEG2TransportStreamFromPESSource::~MPEG2TransportStreamFromPESSource(), ServerMediaSession::~ServerMediaSession(), and ServerMediaSubsession::~ServerMediaSubsession().

00076                                                           {
00077   MediaLookupTable::ourMedia(env)->remove(name);
00078 }

void Medium::close ( Medium * medium ) [static, inherited]

Definition at line 80 of file Media.cpp.

References Medium::close(), Medium::envir(), Medium::name(), and NULL.

00080                                  {
00081   if (medium == NULL) return;
00082 
00083   close(medium->envir(), medium->name());
00084 }

UsageEnvironment& Medium::envir ( ) const [inline, inherited]

Definition at line 59 of file Media.hh.

References Medium::fEnviron.


Public Types
typedef void(	afterGettingFunc )(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
typedef void(	onCloseFunc )(void *clientData)
Public Member Functions
Boolean	isWideband () const
unsigned	numChannels () const
u_int8_t	lastFrameHeader () const
void	getNextFrame (unsigned char to, unsigned maxSize, afterGettingFunc afterGettingFunc, void afterGettingClientData, onCloseFunc onCloseFunc, void *onCloseClientData)
void	stopGettingFrames ()
virtual unsigned	maxFrameSize () const
Boolean	isCurrentlyAwaitingData () const
virtual void	getAttributes () const
virtual char const *	MIMEtype () const
virtual Boolean	isRTPSource () const
virtual Boolean	isMPEG1or2VideoStreamFramer () const
virtual Boolean	isMPEG4VideoStreamFramer () const
virtual Boolean	isH264VideoStreamFramer () const
virtual Boolean	isJPEGVideoSource () const
UsageEnvironment &	envir () const
char const *	name () const
virtual Boolean	isSink () const
virtual Boolean	isRTCPInstance () const
virtual Boolean	isRTSPClient () const
virtual Boolean	isRTSPServer () const
virtual Boolean	isMediaSession () const
virtual Boolean	isServerMediaSession () const
virtual Boolean	isDarwinInjector () const
Static Public Member Functions
static AMRDeinterleaver *	createNew (UsageEnvironment &env, Boolean isWideband, unsigned numChannels, unsigned maxInterleaveGroupSize, RawAMRRTPSource *inputSource)
static Boolean	lookupByName (UsageEnvironment &env, char const sourceName, FramedSource &resultSource)
static Boolean	lookupByName (UsageEnvironment &env, char const sourceName, MediaSource &resultSource)
static Boolean	lookupByName (UsageEnvironment &env, char const mediumName, Medium &resultMedium)
static void	handleClosure (void *clientData)
static void	close (UsageEnvironment &env, char const *mediumName)
static void	close (Medium *medium)
Protected Member Functions
TaskToken &	nextTask ()
Static Protected Member Functions
static void	afterGetting (FramedSource *source)
Protected Attributes
Boolean	fIsWideband
unsigned	fNumChannels
u_int8_t	fLastFrameHeader
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
	AMRDeinterleaver (UsageEnvironment &env, Boolean isWideband, unsigned numChannels, unsigned maxInterleaveGroupSize, RawAMRRTPSource *inputSource)
virtual	~AMRDeinterleaver ()
void	afterGettingFrame1 (unsigned frameSize, struct timeval presentationTime)
void	doGetNextFrame ()
virtual void	doStopGettingFrames ()
Static Private Member Functions
static void	afterGettingFrame (void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
Private Attributes
RawAMRRTPSource *	fInputSource
AMRDeinterleavingBuffer *	fDeinterleavingBuffer
Boolean	fNeedAFrame

AMRDeinterleaver Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation